VDB-154374 · CVE-2020-12254 · GCVE-0-2020-12254

Avira Antivirus prior 5.0.2003.1821 on Windows link following

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Avira Antivirus on Windows. Affected by this vulnerability is an unknown functionality. The manipulation results in link following. This vulnerability is cataloged as CVE-2020-12254. The attack must be initiated from a local position. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Avira Antivirus on Windows (Anti-Malware Software). It has been classified as critical. Affected is an unknown part. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Avira Antivirus before 5.0.2003.1821 on Windows allows privilege escalation or a denial of service via abuse of a symlink.

The weakness was shared 04/26/2020. This vulnerability is traded as CVE-2020-12254 since 04/26/2020. Local access is required to approach this attack. A authentication is necessary for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 5.0.2003.1821 eliminates this vulnerability.

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Productinfo

Type

Anti-Malware Software

Vendor

Avira

Name

Antivirus

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Antivirus 5.0.2003.1821

Timelineinfo

04/26/2020 🔍
04/26/2020 +0 days 🔍
04/27/2020 +1 days 🔍
06/03/2024 +1498 days 🔍

Sourcesinfo

Advisory: web.archive.org
Status: Not defined

CVE: CVE-2020-12254 (🔍)
GCVE (CVE): GCVE-0-2020-12254
GCVE (VulDB): GCVE-100-154374

Entryinfo

Created: 04/27/2020 08:50
Updated: 06/03/2024 07:34
Changes: 04/27/2020 08:50 (36), 04/27/2020 08:55 (18), 06/03/2024 07:34 (18)
Complete: 🔍
Cache ID: 216::103